Floor jack



FIG. 1 is a front perspective view of the floor jack of the present invention; and

FIG. 2 is an elevational view of the invention from first side;

FIG. 3 is an elevational view of the invention from the second side;

FIG. 4 is an elevational view of the invention from a first end;

FIG. 5 is an elevational view of the invention from a second end;

FIG. 6 is a top plan view of the invention; and,

FIG. 7 is a bottom plan view of the invention. 

I claim the ornamental design for a floor jack, substantially as shown and described. 